Hi Antonio,
You can find in the lzip manual[1] the dictionary size limit used by
each compression level. 32 MiB corresponds to level -9. You can use
larger dictionary sizes with the option '--dictionary-size', but it is
not recommended because generally the increase in compression is small
and the resulting file may be difficult to decompress on systems with
little RAM.
[1] http://www.nongnu.org/lzip/manual/lzip_manual.html#Invoking-lzip
That is extremely helpful, thank you so much. What is the reason that
you chose to indicate to some extent compression levels by dictionary
size rather than by the level numbers themselves? Is it because it's
more informative to use dictionary sizes exclusively?
Best regards,
Timothy Beryl Grahek
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